Experimental Results of Full Scale Air-Cooled Turbine Tests

[+] Author and Article Information
H. Nouse, A. Yamamoto, T. Yoshida, H. Nishimura, K. Takahara, T. Torisaki, M. Matsuki

Aero-Engine Division, National Aerospace Laboratory, Tokyo, Japan

J. Eng. Power 98(1), 103-113 (Jan 01, 1976) (11 pages) doi:10.1115/1.3446100 History: Received December 16, 1974; Online July 14, 2010


In order to investigate several problems associated with the turbine cooling, an air-cooled two-stage axial flow turbine for an aircraft engine application was designed. Aerodynamic characteristics of the two-stage turbine without coolants were obtained first from the cold air turbine tests, and predictions of the turbine performance with supplying of coolants were made using the test results. Following these experiments, cooling tests of the first stage turbine were conducted in the range of turbine inlet gas temperatures lower than 1360 K by the another test apparatus. The descriptions of the turbine and the two test apparatus and the experimental results of the two test turbines are presented. The performance prediction, coolant effects and Reynolds number effect on the turbine performance are also described.

Copyright © 1976 by ASME
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